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Project: California Army National Guard, FMS24 <br />Log of Soil Boring: <br />Location: 8010 South Airport Way, Stockton, CA Project Number18600251 <br />FMS24SBO6 <br />Dates Drilled: 1014107 <br />Bit Type: Drag Bit <br />Total Depth Drilled: 46.5 feet bgs <br />Drilling Contractor: Gregg Drilling <br />Borehole Diameter: 8.25-inch <br />Logged By: Henry Iwuh/Chani Leimbach <br />Drilling Method: Hollow Stem Auger <br />Sampling Method: CA Modified Split Spoon <br />Checked By: VernElarth, P.G. <br />Rig Model: CME-85 <br />Hammer: wt. 140 lb. Drop 30 in. <br />Location: In front of Operations Building. <br />R <br />PID (ppm) <br />W <br />d d N D <br />q •� a �o V <br />Graphic <br />Sample 1D <br />Log <br />LITHOLOGY DESCRIPTION BOREHOLE COMPLETION <br />eq r° <br />------------------------------- <br />Asphalt/road base. <br />------- Hand auger to5 <br />1 <br />LEAN CLAY (CL), dark olive gray (5Y 312), moist, 90% fines, 10% ::: P::: • feet bgs. 1 <br />sand; fine, medium plasticity, no dilatency, medium toughness, no . • . d • • • d <br />staining or odor. <br />2 <br />G:: °:: <br />"' ° "' ° Backfilled with 2 <br />9 neat cement grout. <br />3 <br />:: 3 <br />4 <br />a:: Via: 4 <br />5 <br />5 <br />"' <br />FMS24SB06-01-NS 0855 0.0 0.3 <br />Grades to brown (I OYR 513), dry. <br />6 <br />6 <br />e�a°in <br />7— <br />- a.: <br />---------------------------------------- <br />SANDY LEAN CLAY (CL), brown (10YR 513), moist, 70% fines, <br />30% sand; fine, medium plasticity, no dilateney, mottled, blocky, no <br />g <br />staining or odor. —9 <br />10 FMS24SB06-02-NS 0900 18118 0.0 0.5 <br />Dry to moist, 65% fines, 35% sand, partially cemented. —10 <br />11 <br />•::: O t:: � 11 <br />12 <br />a:aa:a 12 <br />13 <br />•::Di:r <br />—13 <br />14 <br />Yellowish brown (I OYR 5/8), moist. 6 14 <br />15 <br />:d°.° 15 <br />FMS24SB06-03-NS 0905 18/18 0.0 1.0 <br />:: <br />a::Da <br />16 <br />:' 16 <br />A:: <br />a:: <br />17 <br />A:, A:: 17 <br />18 <br />... d.:: a 18 <br />19 <br />60% fines, 40% sand, partially cemented. A:'19 <br />.. d...d <br />20--------------------------------------- <br />a:a°:d <br />20 <br />FMS24SB06-04-N5 0915 18118 0.0 1.9 <br />_ <br />SANDY LEAN CLAY (CL), brown (10YR 513), moist, 60% fines, <br />t40% sand; fine, medium plasticity, no dilatency, partially cemented, <br />21 <br />t no staining or odor. , '::: �...: 21 <br />------------------------------------ <br />" e; <br />22 <br />WELL GRADED SAND WITH CLAY (SW-SC), dark yellowish ; r 22 <br />2870 Gateway Oaks Dr., Ste 150 <br />Sacramento, CA 95833 <br />916-679-2000 <br />